2519252565 has 16 divisors (see below), whose sum is σ = 4031478528. Its totient is φ = 1343376576.

The previous prime is 2519252563. The next prime is 2519252609. The reversal of 2519252565 is 5652529152.

It is a happy number.

2519252565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2519252565 - 2¹ = 2519252563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2519252563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119607 + ... + 139083.

It is an arithmetic number, because the mean of its divisors is an integer number (251967408).

Almost surely, 2^2519252565 is an apocalyptic number.

It is an amenable number.

2519252565 is a deficient number, since it is larger than the sum of its proper divisors (1512225963).

2519252565 is a wasteful number, since it uses less digits than its factorization.

2519252565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28108.

The product of its digits is 270000, while the sum is 42.

The square root of 2519252565 is about 50192.1564091442. The cubic root of 2519252565 is about 1360.6838697654.

The spelling of 2519252565 in words is "two billion, five hundred nineteen million, two hundred fifty-two thousand, five hundred sixty-five".